TM 9-1575 Ordnance Maintenance: Wrist Watches, Pocket Watches, Stop Watches, and Clocks 1945-04-06
"This manual is published for the information and guidance of ordnance maintenance personnel. It contains detailed instructions for inspection, disassembly, assembly, maintenance, and repair of pocket watches, wrist watches, stop watches, and message center clocks, and is supplementary to those in the Field Manuals and Technical Manuals prepared for the using arms. This manual does not contain in formation which is intended primarily for the using arms, since such information is available to ordnance maintenance personnel in TM 9-575."
Digitized by AHEC (U.S. Army Heritage Collections) http://www.carlisle.army.mil/ahec/